The
picture on the right gives you an idea about the internal construction of the
calculator. The flexible printed circuit board (PCB) forms one half of the keys,
holds the calculator chip and connects to the LCD. Even the two coin batteries
are connected directly with two small PCB parts. Find a similar construction
with the TI-52. The BA-35 was manufactured
both in Italy and the USA, we noticed no differences between them.

More than 10 years later the BA-35 got solar cells, view the BA-35
Solar.

Compare this traditional calculator with the advanced Business
Edge or the powerful Financial Investment Analyst FIA-10.